NVIDIA GeForce RTX 4090 vs NVIDIA GeForce GTX 650 Ti
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
Oct 2012
Generation
GeForce 40
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2235 MHz
—
Boost Clock
2520 MHz
—
Memory Clock
1313 MHz
1350 MHz
Memory
Memory Size
24GB
1024MB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
128bit
Bandwidth
1.01TB/s
86.40GB/s
Render Config
SM Count
128
—
Shading Units
16384
768
TMUs
512
64
ROPs
176
16
Tensor Cores
512
—
RT Cores
128
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
72 MB
256 KB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
14.85 GPixel/s
Texture Rate
1290.2 GTexel/s
59.39 GTexel/s
FP16 (half)
82.58 TFLOPS
—
FP32 (float)
82.58 TFLOPS
1425 GFLOPS
FP64 (double)
1290.2 GFLOPS
59.39 GFLOPS
Graphics Processor
GPU Name
AD102
GK106
GPU Variant
AD102-300-A1
GK106-220-A1
Architecture
Ada Lovelace
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
76.3 billion
2.54 billion
Die Size
609 mm²
221 mm²
Board Design
TDP
450W
110W
Suggested PSU
850 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x mini-HDMI 1.4a
Power Connectors
1x 16-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.1
CUDA
8.9
3.0
Shader Model
6.8
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.